linux-kernel - [PATCH -next v2 0/4] mm: per-node proactive reclaim

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Message-Id: <20250623185851.830632-1-dave@stgolabs.net>
Date: Mon, 23 Jun 2025 11:58:47 -0700
From: Davidlohr Bueso <dave@...olabs.net>
To: akpm@...ux-foundation.org
Cc: mhocko@...nel.org,
	hannes@...xchg.org,
	roman.gushchin@...ux.dev,
	shakeel.butt@...ux.dev,
	yosryahmed@...gle.com,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	dave@...olabs.net
Subject: [PATCH -next v2 0/4] mm: per-node proactive reclaim

Hello,

This is a tardy follow up to v1:
https://lore.kernel.org/linux-mm/20240904162740.1043168-1-dave@stgolabs.net/

Changes:
 - Not a change perse, but further discussed with mhocko potential usecases
   to justify upstreaming this interface. Nowadays NUMA represents the common
   abstraction for memory tiering representing devices of various performance
   characteristics. This interface makes a lot of sense given memcg's lack
   of NUMA awareness.
   
 - Consolidate both memcg and per-node flavors into a common helper. (Yosry)

Patch 1 is a small fixlet independent of the rest of the series.
Patches 2-3 make some of the machinery more generic.
Patch 4 adds the sysfs interface (which has further been deemed ok albeit
not following the one value per file "rule").

Please consider for v6.16.

Thanks!

Davidlohr Bueso (4):
  mm/vmscan: respect psi_memstall region in node reclaim
  mm/memcg: make memory.reclaim interface generic
  mm/vmscan: make __node_reclaim() more generic
  mm: introduce per-node proactive reclaim interface

 Documentation/ABI/stable/sysfs-devices-node |   9 +
 drivers/base/node.c                         |   2 +
 include/linux/swap.h                        |  16 ++
 mm/internal.h                               |   2 +
 mm/memcontrol.c                             |  77 +-------
 mm/vmscan.c                                 | 195 +++++++++++++++++---
 6 files changed, 201 insertions(+), 100 deletions(-)

--
2.39.5